Improvement in wagon-jacks



iZAAK VAN KERSEN.

improvement in Wagon Jack N0. 124,704. i Patented MarchlQ, |872iff/*26.9663 252 ven for A e ,f L//Lw @e 622%@ UNITED Sfrnfrns PATENTOFFICE, N

IZAAK` VAN KERSEN, OF KALAMAZOO, MICHIGAN.

IMPROVEMENT IN wAeoN-JAcKs.

Specification forming part of Letters Patent 124,704, dated March 19,1872.

SPECIFICATION. IzAAc VAN KnRsEN, of Kalamazoo, in the countyof Kalamazooand State of Michi gan, have invented certain Improvements inWagon-Jacks, of which the following is a specp lifter toits place. Thethird part of my invention relates to a double pawl-hook with doublehandles, to keep the lifter in the paWl-bits.

Figure l is a perspective view of the Wagonjaok. Fig. 2 is a section ofthe lifter, the double joint, and thelever, iu the line Z Z, Fig. 1.Fig. 3 is the lifter with the cross-bolt, seen in the front. F-ig. 4 isa side board,-seen on the inside. l

A, Fig. 1, is thebasis of theWagon-jack, and B is the case, With doubleiron front C C, with excavations for the lever-bolt D. E is the lifter,which is runningvin the case B, and F is the double paw1hook With doublehandles. G is the lever, with the 1everbolt D, and H, Fig. 2,

isa section from the lifter E, with four paWlbits Nos. 1, 2, 3, and 4. Iis asection from the lever G, connected to the lifter with a doublejoint, J. Fig. 3 is the lifter E, seen in the front, With the cross-boltK; and Fig. 4 isthe side board B and the iron front C, seen on theinside. L is the excavation for the double pawl-hook F, and M is agroove for the crossbolt K to keep the lifter to its place.

When the Wagon is to be raised up, the Wagon-jaok is placed under theax1e-tree, and by pressing down the lever the Wheel is raised up, thedouble paWl-hook holding` the lifter 'lole handles, all combined,arranged, and constructed as yand for the purpose set forth.

IZAAK VAN KERSEN.

Witnesses AMos D. ALLEN, G'Eo. PATrnRsoN.

